1965 10C Roosevelt Dime--Struck on a Silver Dime Planchet--AU55
PCGS. Breen-3761, which he considered extremely rare. This
transitional alloy mint error was struck in 1965 or early 1966, at
a time when the mint was striking dimes in two different alloys,
the traditional 90% silver and the copper-nickel "sandwich"
composition still in use today. The silver pieces were dated 1964,
and the clad examples bore 1965 dates. A few planchets were
diverted to the wrong dies, such as the present unabraded example,
which has satin luster and light olive-gold and cream-gray toning.